Poly Vinyl Alcohol
Controlled Delivery of Serp-1 Protein from Poly(vinyl alcohol) Hydrogel
... Poly(vinyl alcohol) (PVA) is a common biomaterial and the physically crosslinked class of PVA hydrogels by the low temperature thermal cycling method have been studied for drug delivery ...
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Mechanical Properties of Poly (vinyl alcohol) Based Blends and Composites
... [32]. Poly (acrylic acid) and its derivatives, poly (ethylene oxide) and its copolymers, Poly (vinyl alcohol), polyphosphazene, and polypeptide are classified as synthetic ...
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OXIDATION OF POLY (VINYL ALCOHOL) BY CHROMIC ACID IN PRESENCE OF MODERATELY STRONG ACID; A KINETIC AND MECHANISTIC APPROACH
... Carbon dioxide free deionized and doubly distilled water was used as solvent for preparation of stock solutions of PVA. Poly (Vinyl Alcohol) solution was prepared as descried literature method 12 . ...
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Effect of Seawater Treatment on the Mechanical Properties of Oil Palm Empty Fruit Bunch Fibre/Poly(vinyl alcohol) Composites
... filled poly(vinyl alcohol) were investigated as well as to discover an appropriate alternative for chemical modification of natural ...filled poly(vinyl alcohol)examined using ...
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Design and evaluation of nano-hydroxyapatite/poly(vinyl alcohol) hydrogels coated with poly(lactic-co-glycolic acid)/nano-hydroxyapatite/poly(vinyl alcohol) scaffolds for cartilage repair
... Background: Poly(vinyl alcohol) (PVA) hydrogels have been widely used in synthetic cartilage ...(nano-HA)/poly(vinyl alcohol) (PVA) hydrogels coated with a ...
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Thermoresponsive, well defined, poly(vinyl alcohol) co polymers
... is poly(ethylene glycol) (PEG), but the thermal transition temperatures that are practically accessible are not physiologically ...applications. Poly(vinyl alcohol), PVA, is an appealing ...
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Preparation and characterisation of poly(ethylene terephthalate) and poly(vinyl alcohol)/clay nanocomposites
... clays disperse more readily in poly (vinyl alcohol) than organophilic clays. XRD analysis of such samples showed no peaks for either sodium montmorillonite and sodium saponite hybrids and TEM ...
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Development of Polycaprolactone/Poly(Vinyl Alcohol)/Clay Microparticles by Spray Drying
... [8]-[11]. Poly(vinyl alcohol) (PVAL) is an amphiphilic semicrystalline polymer, with good interfacial adsorption capacity, and for this reason PVAL has been used in the production of emulsions and ...
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Ionic-interaction of aqueous and alcoholic poly(vinyl alcohol) in the presence of protons
... the poly(vinyl alcohol) (PVOH) were inc- reased with increasing concentration of PVOH and decreased with the inc- reasing concentration of acetic ...
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Effect of Solvent on the Optical and Electrical Properties of Poly (Vinyl Alcohol) Films
... ABSTRACT: Poly(vinyl alcohol) (PVA) is considered to be an interesting, low-cost, conductive polymer with useful physical and chemical properties. We describe the preparation of high-quality PVA ...
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A Kinetics Study on the Thermal Degradation of Starch/Poly (Vinyl Alcohol) Blend
... The other component of cited blend is Poly (vinyl alcohol) (PVA) that is an interesting water-soluble synthetic polymer with a broad range of applications. Mainly it is used as a sizing agent or ...
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Thermal and structural studies of poly (vinyl alcohol) and hydroxypropyl cellulose blends
... Blending poly(vinyl alcohol) (PVA) with a poten- tially useful natural biopolymers such as hy- droxypropyl cellulose (HPC) seems to be an in- teresting way of preparing a polymeric ...
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Biological Properties of Blend Nanofibrous Scaffolds from Poly(caprolactone)-Chitosan-Poly(vinyl alcohol)
... study, poly(caprolactone)-chitosan-poly(vinyl alcohol) (PCL: Cs: PVA) nanofibrous blend scaffolds were prepared and their biological properties were ...
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In-situ preparation of hydroxyapatite nanorod embedded poly (vinyl alcohol) composite and its characterization
... Hydroxyapatite (HAp) nanorod embedded composite was prepared using poly (vinyl alcohol) (PVA) as a matrix with different weight percentages (wt. %) The role of PVA composition on the crystallite ...
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POLY(VINYL ALCOHOL) NANOCOMPOSITE HYDROGELS FOR INTERVERTEBRAL DISC PROSTHESES
... IVD. Poly(vinyl alcohol) (PVA) hydrogels are bio- compatible, have mechanical behaviour similar to natural tissues, and properties that can be tuned by varying polymer concentration and physical ...
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Preparation and Characterization of Aligned and Random Nanofibrous Nanocomposite Scaffolds of Poly (Vinyl Alcohol), Poly (e-Caprolactone) and Nanohydroxyapatite
... Aligned fibers can, for example, be obtained by the use of rapidly rotating cylindrical collectors, which either serves as counter electrode or are combined with an electrode [21-23]. Combination of synthetic polymers ...
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Poly(Vinyl Alcohol) Infiltrated Carbon Nanotube Carpets
... Carbon nanotube-polymer interaction is one of the key factors controlling the mechanical properties in composite and hybrid systems of such constituents. The current study reports a series of direct observations of ...
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Room Temperature Preparation of Aluminum Hydroxide Nanoparticles and Flame Retardant Poly Vinyl Alcohol Nanocomposite
... flame retardancy of the poly vinyl alcohol (PVA) matrix was studied using UL-94. Nanostructures were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and Fourier transform ...
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Composite poly(vinyl alcohol)/poly(vinyl acetate) electrospun nanofibrous mats as a novel wound dressing matrix for controlled release of drugs
... of poly(vinyl alcohol) (PVA), poly(vinyl acetate) (PVAc), and a 50:50 composite blend, loaded with ciprofloxacin HCl (CipHCl), were successfully prepared by an electrospinning technique ...
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Functionalized Antimicrobial Electrospun Poly (vinyl alcohol) Nanowebs
... Electrospun poly (vinyl alcohol) [PVA] nanowebs functionalized with a commercially available microbiocidal solution Reputex™ 20 were prepared. The active ingredient of Reputex™ 20 is ...
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